Hello,
I've been working on this for over a week. I don't think its working the way
it should.
Here's what I'm trying to do:
I have a Windstream dsl router with wireless > 192.168.1.100
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Centos 6.8 server eth0 > 192.168.1.110 > gateway 192.168.1.111
eth1 > 192.168.1.111 > gateway
192.168.1.100
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Switch > other computers and devices > gateway 192.168.1.110
I want to send all internal traffic through 192.168.1.110, all external
traffic through 192.168.1.111, then back through 192.168.1.110.
I did an iptables -t nat -A POSTROUTING -o eth1 -j MASQUERADE
Issues:
Outside connectivity for all other computers and devices only works if eth0
is also connected to the router, server works
Iptraf shows no traffic on eth1
Hope I haven't confused you as I have thoroughly confused myself.
TIA
TE Dukes